Base | Representation |
---|---|
bin | 1010101010010… |
… | …10000101000001 |
3 | 20020021122011120 |
4 | 11111022011001 |
5 | 140343314020 |
6 | 12512502453 |
7 | 2134106550 |
oct | 525120501 |
9 | 206248146 |
10 | 89432385 |
11 | 46533969 |
12 | 25b4aa29 |
13 | 156b3793 |
14 | bc3dd97 |
15 | 7cb8740 |
hex | 554a141 |
89432385 has 32 divisors (see below), whose sum is σ = 163924992. Its totient is φ = 40785600.
The previous prime is 89432383. The next prime is 89432407. The reversal of 89432385 is 58323498.
It is not a de Polignac number, because 89432385 - 21 = 89432383 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is not an unprimeable number, because it can be changed into a prime (89432383) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60910 + ... + 62360.
It is an arithmetic number, because the mean of its divisors is an integer number (5122656).
Almost surely, 289432385 is an apocalyptic number.
It is an amenable number.
89432385 is a deficient number, since it is larger than the sum of its proper divisors (74492607).
89432385 is a wasteful number, since it uses less digits than its factorization.
89432385 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2053.
The product of its digits is 207360, while the sum is 42.
The square root of 89432385 is about 9456.8697252315. The cubic root of 89432385 is about 447.1963713366.
The spelling of 89432385 in words is "eighty-nine million, four hundred thirty-two thousand, three hundred eighty-five".
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